DE69316438D1 - Magnetoresistive element - Google Patents

Magnetoresistive element

Info

Publication number
DE69316438D1
DE69316438D1 DE69316438T DE69316438T DE69316438D1 DE 69316438 D1 DE69316438 D1 DE 69316438D1 DE 69316438 T DE69316438 T DE 69316438T DE 69316438 T DE69316438 T DE 69316438T DE 69316438 D1 DE69316438 D1 DE 69316438D1
Authority
DE
Germany
Prior art keywords
magnetoresistive element
magnetoresistive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69316438T
Other languages
German (de)
Other versions
DE69316438T2 (en
Inventor
Yoshihiro Motomura
Tetsuhiro Suzuki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TDK Corp
Original Assignee
NEC Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP12402492A external-priority patent/JP2800555B2/en
Priority claimed from JP5026362A external-priority patent/JPH07101487B2/en
Application filed by NEC Corp filed Critical NEC Corp
Publication of DE69316438D1 publication Critical patent/DE69316438D1/en
Application granted granted Critical
Publication of DE69316438T2 publication Critical patent/DE69316438T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
    • G11B5/3903—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects using magnetic thin film layers or their effects, the films being part of integrated structures
    • G11B5/3906—Details related to the use of magnetic thin film layers or to their effects
    • G11B5/3929—Disposition of magnetic thin films not used for directly coupling magnetic flux from the track to the MR film or for shielding
    • G11B5/3932—Magnetic biasing films
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/90—Magnetic feature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/11—Magnetic recording head
    • Y10T428/1171—Magnetic recording head with defined laminate structural detail
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12861—Group VIII or IB metal-base component
    • Y10T428/12931—Co-, Fe-, or Ni-base components, alternative to each other

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
  • Hall/Mr Elements (AREA)
DE69316438T 1992-05-18 1993-05-17 Magnetoresistive element Expired - Fee Related DE69316438T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP12402492A JP2800555B2 (en) 1992-05-18 1992-05-18 Magnetoresistive head
JP5026362A JPH07101487B2 (en) 1993-02-16 1993-02-16 Magnetoresistive head

Publications (2)

Publication Number Publication Date
DE69316438D1 true DE69316438D1 (en) 1998-02-26
DE69316438T2 DE69316438T2 (en) 1998-08-27

Family

ID=26364138

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69316438T Expired - Fee Related DE69316438T2 (en) 1992-05-18 1993-05-17 Magnetoresistive element

Country Status (3)

Country Link
US (1) US5556718A (en)
EP (1) EP0570883B1 (en)
DE (1) DE69316438T2 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4401476A1 (en) * 1993-01-20 1994-07-28 Fuji Electric Co Ltd Magnetoresistive element serving as thin film magnetic head
JPH0845030A (en) * 1994-08-03 1996-02-16 Alps Electric Co Ltd Magneto-resistive magnetic head
US5434826A (en) * 1994-09-26 1995-07-18 Read-Rite Corporation Multilayer hard bias films for longitudinal biasing in magnetoresistive transducer
JP2870437B2 (en) * 1994-12-29 1999-03-17 ヤマハ株式会社 MR head and method of manufacturing the same
US5891586A (en) * 1995-01-27 1999-04-06 Alps Electric Co., Ltd. Multilayer thin-film for magnetoresistive device
US5796560A (en) * 1995-03-13 1998-08-18 Kabushiki Kaisha Toshiba Magnetoresistive head
EP0749112B1 (en) * 1995-06-15 2002-02-13 TDK Corporation Magnetoresistive transducer with spin-valve structure and manufacturing method of the same
US5843589A (en) * 1995-12-21 1998-12-01 Hitachi, Ltd. Magnetic layered material, and magnetic sensor and magnetic storage/read system based thereon
JPH09231523A (en) * 1996-02-27 1997-09-05 Nec Corp Magneto-resistive head
US5737157A (en) * 1996-10-09 1998-04-07 International Business Machines Corporation Disk drive with a thermal asperity reduction circuitry using a magnetoresistive sensor

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3864751A (en) * 1973-10-04 1975-02-04 Ibm Induced bias magnetoresistive read transducer
US4835069A (en) * 1983-08-06 1989-05-30 Canon Kabushiki Kaisha Magnetic recording medium
EP0265798B1 (en) * 1986-10-31 1992-12-23 International Business Machines Corporation A magnetoresistive read transducer
US4782413A (en) * 1987-04-28 1988-11-01 International Business Machines Corporation Magnetoresistive sensor with mixed phase antiferromagnetic film
US5014147A (en) * 1989-10-31 1991-05-07 International Business Machines Corporation Magnetoresistive sensor with improved antiferromagnetic film
US5277991A (en) * 1991-03-08 1994-01-11 Matsushita Electric Industrial Co., Ltd. Magnetoresistive materials

Also Published As

Publication number Publication date
EP0570883A3 (en) 1994-02-23
EP0570883A2 (en) 1993-11-24
US5556718A (en) 1996-09-17
DE69316438T2 (en) 1998-08-27
EP0570883B1 (en) 1998-01-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: TDK CORP., TOKIO/TOKYO, JP

8339 Ceased/non-payment of the annual fee